1 . 若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c17fb006b908fa85df7753a21483dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281805b9dfe2162215dfe6b5ad6d7b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5069132c32269ddf489c6648ef0a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c17fb006b908fa85df7753a21483dfb.png)
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2018-05-22更新
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443次组卷
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3卷引用:【全国市级联考】湖南省益阳市高三理数5月18日统考试卷
A.![]() | B.![]() | C.![]() | D.![]() |